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openjpeg version 1.0 (previous version still available with tag opj0-97)

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Antonin Descampe
2005-12-02 13:34:15 +00:00
parent 76016d509b
commit f61cda9b7d
50 changed files with 11078 additions and 9286 deletions
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34
libopenjpeg/fix.c
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@@ -1,5 +1,9 @@
/*
* Copyright (c) 2001-2002, David Janssens
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
* Copyright (c) 2005, Herv<72> Drolon, FreeImage Team
* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -25,7 +29,6 @@
*/
#include "fix.h"
#include <math.h> /*Add Antonin : multbug1*/
#ifdef WIN32
#define int64 __int64
@@ -33,31 +36,10 @@
#define int64 long long
#endif
/*
* Multiply two fixed-precision rational numbers.
*/
/*int fix_mul(int a, int b)
{
return (int) ((int64) a * (int64) b >> 13);
}*/
/*Mod Antonin : multbug1*/
/*
int fix_mul(int a, int b)
{
double tmp= (double) ((int64) a * (int64) b);
int64 v = (int64) ((fabs(tmp/8192.0)>=floor(fabs(tmp/8192.0))+0.5)?fabs(tmp/8192.0)+1.0:fabs(tmp/8192.0));
v = (tmp<0)?-v:v;
return (int) v;
}
*/
/*doM*/
int fix_mul(int a, int b) /* Luke Lee optimized : 11/16/2004*/
{
int fix_mul(int a, int b) {
int64 temp = (int64) a * (int64) b >> 12;
return (int) ((temp >> 1) + (temp & 1)) ;
}